/*
 * Copyright (c) 2008-2018 Haulmont.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.haulmont.cuba.gui.components;

import com.haulmont.cuba.core.global.DataLoadContext;

import java.util.function.Function;

/**
 * Component having a {@link RowsCount} component.
 */
public interface HasRowsCount {
    RowsCount getRowsCount();
    void setRowsCount(RowsCount rowsCount);

    /**
     * Sets RowsCount delegate which is used to get the total number of rows when user clicks "total count" or "last page".
     */
    default void setRowsCountTotalCountDelegate(Function<DataLoadContext, Long> delegate) {
        RowsCount rowsCount = getRowsCount();
        if (rowsCount != null) {
            rowsCount.setTotalCountDelegate(delegate);
        }
    }
}